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; RUN: llvm-as < %s | llc -mtriple=i386-unknown-linux-gnu
; XFAIL: *
; Expected to run out of registers during allocation.
; PR3391
@pci_indirect = external global { } ; <{ }*> [#uses=1]
@pcibios_last_bus = external global i32 ; <i32*> [#uses=2]
define void @pci_pcbios_init() nounwind section ".init.text" {
entry:
br label %bb1.i
bb1.i: ; preds = %bb6.i.i, %bb1.i, %entry
%0 = load i32* null, align 8 ; <i32> [#uses=1]
%1 = icmp ugt i32 %0, 1048575 ; <i1> [#uses=1]
br i1 %1, label %bb2.i, label %bb1.i
bb2.i: ; preds = %bb1.i
%asmtmp.i.i = tail call { i32, i32, i32, i32 } asm "lcall *(%edi); cld\0A\09jc 1f\0A\09xor %ah, %ah\0A1:", "={dx},={ax},={bx},={cx},1,{di},~{dirflag},~{fpsr},~{flags},~{memory}"(i32 45313, { }* @pci_indirect) nounwind ; <{ i32, i32, i32, i32 }> [#uses=2]
%asmresult2.i.i = extractvalue { i32, i32, i32, i32 } %asmtmp.i.i, 1
; <i32> [#uses=1]
%2 = lshr i32 %asmresult2.i.i, 8 ; <i32> [#uses=1]
%3 = trunc i32 %2 to i8 ; <i8> [#uses=1]
%4 = load i32* @pcibios_last_bus, align 4 ; <i32> [#uses=1]
%5 = icmp slt i32 %4, 0 ; <i1> [#uses=1]
br i1 %5, label %bb5.i.i, label %bb6.i.i
bb5.i.i: ; preds = %bb2.i
%asmresult4.i.i = extractvalue { i32, i32, i32, i32 } %asmtmp.i.i, 3
; <i32> [#uses=1]
%6 = and i32 %asmresult4.i.i, 255 ; <i32> [#uses=1]
store i32 %6, i32* @pcibios_last_bus, align 4
br label %bb6.i.i
bb6.i.i: ; preds = %bb5.i.i, %bb2.i
%7 = icmp eq i8 %3, 0 ; <i1> [#uses=1]
%or.cond.i.i = and i1 %7, false ; <i1> [#uses=1]
br i1 %or.cond.i.i, label %bb1.i, label %bb8.i.i
bb8.i.i: ; preds = %bb6.i.i
unreachable
}
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